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OOPS in JAVA - Ultimate

Linda Hamilton

Nov 04, 2024 pm 02:56 PM

OOPS in JAVA - Ultimate

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✅ Looking for the best notes on OOP concepts in JS? Here’s one for you:

> "OOPS in JS - Ultimate" - Check This

I originally put these notes together back in college, so if you’re working through OOP concepts in Java, they might save you some time. Thought I'd share in case it helps anyone out feel free to check them out!

?? Extra Notes

⭐ Revision and Quick Short Notes for Interview
? Why Java Platform Independent

?? Start here

? Introduction to Object-Oriented Programming
? Basic Terminologies
?️ Creating Our Own Java Class
? Chapter 1 - Question-Answer Practice Set
? Access Modifiers, Getters & Setters
? Constructors in Java
? Chapter 2 - Question-Answer Practice Set
? Inheritance Overview in Java
? Types of Inheritance
? Constructors in Inheritance
? Method & Method Overloading, Void Keyword
- ? Syntax of a method
- ? Method returns the sum of two numbers
- ? Calling a Method
- ? Process of method invocation
- ? Overloaded function foo
- ? Method overloading Type 1 - By changing the return type
- ? Method overloading Type 1 - By changing the number of arguments passed
- ? Can we overload java main() method
- ? Method Overloading and Type Promotion
? Static Keyword
- ? Java Static Variable
- ? With Static Variable
- ? Restriction on Static method
- ? Static Method
- ? Static block
- ? Static Class
? Variable Arguments (VarArgs)
? this & super Keyword
- ? Without This Keyword
- ? With This Keyword
- ? Without Super Keyword
- ? With Super Keyword
? Method Overriding
- ? Without Method Overridin
- ? With Method Overriding
? Overloading and Overriding
? Dynamic Method Dispatch
? Chapter 3 - Question-Answer Practice Set
? Quick One Question-Answer on Chapter 1, 2 & 3
? Abstract Class & Abstract Methods
?️ Introduction to Interfaces
⚖️ Abstract Classes Vs Interfaces
? Why Multiple Inheritance is Not Supported in Java
- ? Try to implement Multiple Inheritance
- ? Multiple Inheritance Using Interface
⚙️ Java Interfaces Example & Default Methods
?️ Inheritance in Interfaces
? Polymorphism Concept in Interfaces
? Chapter 4 - Question-Answer Practice Set
? College Level Q&A on Chapters 1, 2, 3 & 4
?️ Projects on Chapters 3 & 4 (Basic & Advance)
? Interpreted vs Compiled Languages
? Is Java Interpreted or Compiled?
⚙️ Java File Compilation Process
? Packages in Java
?️ Creating a Custom Package
? Access Modifiers Experiment
- ? AccessModifier
- ? OutSidePackageExperiment
- ? OutSidePackageSubclassExperiment
? Chapter 5 - Question-Answer Practice Set
? Quick One Question-Answer on Chapter 5
? Wrapper Classes in Java
- ? Converting int to Integer (Primitive to Wrapper)
- ? Converting Integer to int (Wrapper to Primitive)
- ? Autoboxing (Detailed Explanation)
- ? Unboxing (Detailed Explanation)
- ? Demonstrate Wrapping and Unwrapping
? Constructor Chaining in Java
- ? Using Super Keyword in Another Class
- ? Using This Keyword in the Same Class
? Private Constructors and Singleton Classes
- ? Using Private Constructors in Singleton Pattern
- ? Example
? Types of Polymorphism
- ? Compile-time Polymorphism
- ? Run-time Polymorphism
?️ Encapsulation Idea
- ? Java Encapsulation
- ? Data Hiding
? Nested Interface in Java
⚙️ Modifiers Types

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